Electrical Sintering of Silver Nanoparticle Ink Studied by In-Situ TEM Probing

Hummelgård, Magnus; Zhang, Renyun; Nilsson, Hans‐Erik; Olin, Håkan

doi:10.1371/journal.pone.0017209

Cited by 60 publications

(44 citation statements)

References 48 publications

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“…115 This process occurs on a timescale of a few milliseconds to seconds and is called rapid electrical sintering (RES). As a consequence, electrical sintering is basically a local heating of the printed material while keeping the thermal stress to the substrate material to a minimum.…”

Section: Electrical Sinteringmentioning

confidence: 99%

Progress of alternative sintering approaches of inkjet-printed metal inks and their application for manufacturing of flexible electronic devices

Wünscher¹,

Abbel²,

Perelaer³

et al. 2014

J. Mater. Chem. C

250

222

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Well-defined high resolution structures with excellent electrical conductivities are key components of almost every electronic device. Producing these by printing metal based conductive inks on polymer foils represents an important step forward towards the manufacturing of plastic electronic products on an industrial scale. The development of fast, efficient and inexpensive post-deposition sintering technologies for these materials is an important processing step to make this approach commercially viable. This review discusses the advances in alternative sintering approaches for conductive, metal containing inks, which can be processed by inkjet-printing processes. Each sintering approach is examined regarding its mechanism, its compatibility with commonly used materials in the field of flexible electronics, its compatibility with high-throughput manufacturing processes and its applicability to the production of flexible electronic devices.

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Section: Electrical Sinteringmentioning

confidence: 99%

Progress of alternative sintering approaches of inkjet-printed metal inks and their application for manufacturing of flexible electronic devices

Wünscher¹,

Abbel²,

Perelaer³

et al. 2014

J. Mater. Chem. C

250

222

View full text Add to dashboard Cite

show abstract

“…Not only chemical binders, natural binders can also be used which are environmental friendly. Few other sintering techniques proved significance in silver inks are photonic sintering [106] , plasma sintering [116,117] , laser sintering, microwave sintering [114,115] and electric sintering [118,119] . Recently, silver inks have progressed successfully in developing low temperature [71,112] sintering and room temperature sintering [103,113] .…”

Section: Complex Composition Of Nanoparticles and Chemicalsmentioning

confidence: 99%

Conductive silver inks and their applications in printed and flexible electronics

et al. 2015

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Outline:Conductive inks are widely investigated area in the recent years due to its popularity in printed electronics (PE), flexible electronics (FE) and it comprises specific and unique applications which belong to a whole next level of future technology. In this context, silver is being acutely researched material for its encouraging application in conductive inks. In printing technology silver conductive inks has major role in electronic applications. The emerging integration of different technologies was silver nanoinks. In recent years printed electronics market is being dominated by expensive materials such as gold, platinum etc.which are costly/complex instruments, to overcome these drawbacks silver conductive inks can relieve the current technology. The present printed circuit boards (PCBs) manufactures use complex and expensive techniques to fabricate the circuit boards which in turn levitates the overall cost. Solvent based silver conductive inks are capable to substitute the PCB technology while reducing the cost of manufacturing. Due to its stellar reputation, investors are looking forward to apply this technology in printed electronics industries.2 planet. Silver conductive inks have silver in its nanoform which is an extensively engaging the nanotechnology.Silver in the nanometer range has predominantly occupied the interest of researchers since the beginning of the nanotechnology era. Silver was and is considered a prominent material;and even historically silver has its own importance. This novel material has been prospering in its applications ever since researchers focused on its study in the nanoscale. This led to a promising application in many fields of science and technology. The properties which make silver notable are that it is rare, strong, corrosion resistant, and unaffected by moisture. Silver is also resonant, moldable, malleable, and possesses the highest thermal and electric conductivity of any substance. Silver is one of the strongest oxidants, it is an essential catalyst for chemical process industry.Metal nanoparticles act as a key element in conductive inks. In nano range, silver has gained so much prominence that it does not require any special introduction about its enhanced properties possessed in the nanometer range. Silver nanoparticles (Ag NPs) have been synthesized using different types of approaches and each type of synthesis has its own advantages and disadvantages. Silver has unique and enhanced properties in the nanometer range by possessing highest electrical conductivity per unit volume when compared to any other metal, so it is expected to be used extensively in printed electronics technology. In this review we try to bring out the possible ways which were successful in synthesis of conductive ink derived from silver nanomaterial. This work is an attempt to understand the significance of silver based conductive inks and motivate researchers who opt to bring a change in future electronics. We focussed this review in gathering a brief preface of all the possible metho...

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“…[30][31][32][33][34] Other in situ TEM techniques allow the investigation of consolidation mechanisms by exposing particle agglomerates to electrical currents. 35,36 The early stage sintering of platinum (Pt) due to thermal annealing during in situ scanning transmission electron microscopy (STEM) has been reported in the literature. Asoro et al have measured dihedral angles between individual particles supported on amorphous carbon as a function of temperature 30 whereas Simonsen et al 31 observed thermally activated Ostwald ripening of Pt catalyst particles on SiO 2 substrates.…”

Section: Introductionmentioning

confidence: 99%

In situ transmission electron microscopic investigations of reduction-oxidation reactions during densification of nickel nanoparticles

et al. 2012

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The consolidation of crystalline powders to obtain dense microstructures is typically achieved through a combination of volume and grain boundary diffusion. In situ transmission electron microscopy was utilized to study neck formation between adjacent nickel particles during the early stages of sintering. It was found that the presence of carbon during consolidation of Ni lowers the reduction temperature of nickel oxides on the particle surface and therefore has the potential to accelerate consolidation. In the absence of carbon, the surface oxides remain present during the early stage of sintering and neck formation between particles is limited by selfdiffusion of nickel through the oxide layer. This study provides direct experimental evidence that corroborates related earlier hypotheses of self-cleaning on the surface of the nanoparticles that precedes neck formation and growth.

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Electrical Sintering of Silver Nanoparticle Ink Studied by In-Situ TEM Probing

Cited by 60 publications

References 48 publications

Progress of alternative sintering approaches of inkjet-printed metal inks and their application for manufacturing of flexible electronic devices

Progress of alternative sintering approaches of inkjet-printed metal inks and their application for manufacturing of flexible electronic devices

Conductive silver inks and their applications in printed and flexible electronics

In situ transmission electron microscopic investigations of reduction-oxidation reactions during densification of nickel nanoparticles

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